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464715945 = 32571145451
BaseRepresentation
bin11011101100110…
…000000010101001
31012101110000102200
4123230300002221
51422431402240
6114040250413
714342006661
oct3354600251
91171400380
10464715945
11219357a71
1210b770a09
137537cc65
1445a0d1a1
152abe8930
hex1bb300a9

464715945 has 24 divisors (see below), whose sum is σ = 816858432. Its totient is φ = 244356000.

The previous prime is 464715929. The next prime is 464715973. The reversal of 464715945 is 549517464.

It is not a de Polignac number, because 464715945 - 24 = 464715929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 464715945.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69531 + ... + 75920.

It is an arithmetic number, because the mean of its divisors is an integer number (34035768).

Almost surely, 2464715945 is an apocalyptic number.

464715945 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

464715945 is a deficient number, since it is larger than the sum of its proper divisors (352142487).

464715945 is a wasteful number, since it uses less digits than its factorization.

464715945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145533 (or 145530 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 464715945 is about 21557.2712790835. The cubic root of 464715945 is about 774.5733037895.

The spelling of 464715945 in words is "four hundred sixty-four million, seven hundred fifteen thousand, nine hundred forty-five".

Divisors: 1 3 5 9 15 45 71 213 355 639 1065 3195 145451 436353 727255 1309059 2181765 6545295 10327021 30981063 51635105 92943189 154905315 464715945